Reed Auto Periodically Has a Special Weeklong Sale Compute and Interpret Both the Sample Covariance and the Sample

Essay

Reed Auto periodically has a special weeklong sale. As part of the advertising campaign, Reed runs one or more television commercials during the weekend preceding the sale. Data from a sample of five previous sales are shown below.
​ $\begin{array}{lll}\text { Week } & \text { TV Ads } & \text { Cars Sold }\\\hline1 & 1 & 14 \\2 & 3 & 24 \\3 & 2 & 18 \\4 & 1 & 17 \\5 & 3 & 27\end{array}$ Compute and interpret both the sample covariance and the sample correlation coefficient.
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